[Rails] Re: will_paginate

On 8月31日, 下午3時57分, Colin Law <clan...@googlemail.com> wrote:
> On 31 August 2010 03:49, Jeff Chen <jeffchen1...@gmail.com> wrote:
>
>
>
>
>
> > On 8月30日, 下午8時19分, Colin Law <clan...@googlemail.com> wrote:
> >> On 30 August 2010 10:33, Jeff Chen <jeffchen1...@gmail.com> wrote:
>
> >> > On 8月30日, 下午4時08分, Colin Law <clan...@googlemail.com> wrote:
> >> >> ...
> >> >> In particular you have not confirmed that you do not get any errors
> >> >> when you start the server.
>
> >> > Yes, I get not any errors when start the server.
>
> >> >> Also please can you confirm that if you remove the calls to paginate
> >> >> and just fetch all records that all works as expected.
>
> >> > Yes, I did remove the calls to paginate, and just fetch all records
> >> > that all works as expected.
>
> >> >> ...
> >> >> I don't see any call to paginate so that is a bit odd.  Please confirm
> >> >> exactly what is happening and make sure the code you post matches the
> >> >> error message.  Post the full error trace for the message please.
>
> >> > Processing ManageController#index (for 127.0.0.1 at 2010-08-30
> >> > 17:30:14) [GET]
> >> >   [4;35;1mSQL (64.0ms) [0m    [0mSHOW TABLES [0m
> >> >   [4;36;1mItem Columns (403.0ms) [0m    [0;1mSHOW FIELDS FROM
> >> > `items` [0m
>
> >> > NoMethodError (undefined method `paginate' for #<Class:0x675f980>):
> >> >  app/controllers/manage_controller.rb:25:in `list'
>
> >> Right so the error is in list, that is why I asked for the whole error message.
>
> >> >  app/controllers/manage_controller.rb:4:in `index'
> >> >  c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
> >> >  c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
> >> >  c:/ruby/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
> >> >  c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start'
> >> >  c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
> >> >  c:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start'
> >> >  c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `each'
> >> >  c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start'
> >> >  c:/ruby/lib/ruby/1.8/webrick/server.rb:23:in `start'
> >> >  c:/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start'
>
> >> I see that the error is from Item.paginate.  You have not told us
> >> anything about the Item class.  Can you show us the code for that
> >> class (delete methods that are not relevant before posting) and
> >> confirm the path and filename to that class.
>
> > The item.rb of model is :
> > class Item < ActiveRecord::Base
> > end
>
> > Do I need to add the codes into the item.rb?
>
> No, what you have looks ok.
>
> Only one more suggestion I think, I seem to remember some-one having a
> similar problem and it went away when they used Mongrel instead of
> Webrick, though I do not understand why.  I can only suggest you try
> that, so start the server with
> ruby script/server --mongrel

I did run: ruby script/server --mongrel , and got the result is
"server : invalid option --mongrel".
Where to get the mongrel, and how to fix it up when I run above
command again?

> and see what happens.  I always use mongrel as for me it loads much faster.
>
> Colin

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